Macintosh PowerBook 145 & 145B

The Apple Macintosh PowerBook 145 features a 25 MHz 68030 processor, 4 MB of RAM, either a 40 MB or 80 MB hard drive, and an internal 1.44 MB floppy drive in a compact portable case with a 9.8″ monochrome passive-matrix display.

The PowerBook 145 is quite similar to the PowerBook 140 it replaced, but the 145 has a faster processor and shipped with more RAM and larger hard drives by default.

The PowerBook 145B was the same as the PowerBook 140#PowerBook 145 that came before it, but with a lower price and additional 2 MB of RAM soldered to the motherboard. The only codename for this model is Pikes Peak.

History of Macintosh PowerBook 145 & 145B is provided by EveryMac and wikipedia

Macintosh PowerBook 145 & 145B – General information

Overview
IntroducedAugust 1992 (145)
July 1993 (145B)
DiscontinuedJune 1993 (145)
July 1994 (145B)
Model Identifier54
Model NumberM1592LL/A (40 MB hard drive)
M4855LL/A (80 MB hard drive)
Price$2,150
ColorsGrey
Weight6.8 Ibs.
3.084 KG
Dimensions2.25” H x 11.25” W x 9.3” D
5.71 cm H x 28.57 cm W x 23.62 cm D
Hardware
Processor
ProcessorMotorola 68030
Processor Speed25 MHz
ArchitectureUnknown
Number of Cores1
System Bus25 MHz
Cache0.5 KB L1
CoprocessorNone
Storage & Media
Storage40 MB
80 MB
Media1.44 MB floppy
Memory
Built-in Memory2 MB of PSRAM (145)
4 MB of PSRAM (145B)
Maximum Memory8 MB
Memory Slots1 – PowerBook 1xx (70-pin connector)
Minimum Speed100 ns
ROMUnknown
Interleaving SupportNo
Display
Built-in Display9.8″ diagonal passive matrix reflective LCD
Resolutions640 x 400
Graphics
Graphics CardNone
Graphics MemoryNone
Display ConnectionNone
Expansion
Expansion SlotsInternal 20-pin connector for optional 2400-baud modem card
Hard Drive Interface40-pin SCSI
BaysUnknown
Software
Original OSSystem Software 7.0.1
Maximum OSSystem 7.6.1
FirmwareMacintosh ROM
Connections
Wi-FiNone
EthernetNone
ModemNone
BluetoothNone
ADB1
Serial2
SCSIHDI-30
Floppy PortNone
Audio In1 – 3.5-mm analog input jack
1 – Built-in microphone
Audio Out1 – 3.5-mm analog output jack
1 – Built-in speaker
InfraredNone
DisplayNone
Keyboard and trackpad
KeyboardBuilt-in 64-key (U.S.) or 64-key (ISO) 3.0-mm travel keyboard
TrackpadBuilt-in 25-mm trackball pointing device
Power
System Battery2.5-ampere-hour NiCad battery
Backup Battery3 V lithium
Maximum Continuous Power17 W
Line VoltageUnknown
Power AdapterUnknown
Related products

Source: EveryMac, Wikipedia, Wikimedia, Apple

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